The Food and Drug Administration said Thursday that it is investigating 13 reports of deaths and 33 hospitalizations linked to 5-hour Energy, the highly caffeinated shots that are often sold in convenience stores.

Rap performer Yung Joc failed to show up at his arraignment Wednesday on a felony charge of carrying a concealed weapon and was considered a fugitive, a prosecutor said. A judge issued an arrest warrant for the rapper, whose real name is Jasiel Robinson.